16821688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8551

約数の個数: 32

約数和(自身を含む): 35758800

約数和(自身を除く): 18937112

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 8513, 17026, 34052, 68104, 110669, 161747, 221338, 323494, 442676, 646988, 885352, 1293976, 2102711, 4205422, 8410844, 16821688]

約数ペア:

[(1, 16821688), (2, 8410844), (4, 4205422), (8, 2102711), (13, 1293976), (19, 885352), (26, 646988), (38, 442676), (52, 323494), (76, 221338), (104, 161747), (152, 110669), (247, 68104), (494, 34052), (988, 17026), (1976, 8513)]